--- a/Makefile.am
+++ b/Makefile.am
@@ -13,7 +13,7 @@
 
 ACLOCAL_AMFLAGS = -I m4
 
-SUBDIRS_ =	po gsmlib apps tests doc scripts win32 ext
+SUBDIRS_ =	po gsmlib apps tests doc scripts win32
 
 EXTRA_DIST =	gsmlib.spec
 
